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Liter to Oz Converter

Convert liters to US fluid ounces instantly. Accurate, free, and works on any device.

Quick Answer: One liter equals 33.814 US fluid ounces. To convert liters to oz, multiply by 33.814. For example, 2 liters = 67.628 fl oz, and 0.5 liters = 16.907 fl oz.

Liters to Fluid Ounces Calculator

Fluid Ounces (fl oz) 33.814 fl oz

Formula: fl oz = liters × 33.814

📐 Liter to Oz Formula

Fluid Ounces = Liters × 33.814 Liters = Fluid Ounces ÷ 33.814

One US fluid ounce equals exactly 29.5735295625 ml, so dividing 1000 ml by 29.5735 gives 33.814 fl oz per liter. This is an exact international definition, not an approximation.

Liter to Oz Conversion Table

Liters (L)Fluid Ounces (fl oz)Common Reference
0.25 L8.454 fl ozsmall glass
0.5 L16.907 fl ozstandard water bottle
0.75 L25.361 fl ozwine bottle
1 L33.814 fl oz1-liter bottle
1.5 L50.721 fl ozlarge water bottle
2 L67.628 fl ozsoda bottle
3 L101.442 fl oz—
4 L135.256 fl oz—
5 L169.07 fl oz—
10 L338.14 fl oz—
20 L676.28 fl oz—
50 L1,690.7 fl oz—
100 L3,381.4 fl oz—

Common bottle check: A standard 16.9 fl oz water bottle holds exactly 500 ml (0.5 L). A 2-liter soda bottle contains about 67.6 fl oz — roughly four of those standard bottles.

Frequently Asked Questions

How many ounces are in 1 liter?
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One liter equals 33.814 US fluid ounces. This is based on the international definition of the fluid ounce as exactly 29.5735295625 ml.
How many fl oz in 2 liters?
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2 liters equals 67.628 fl oz (2 × 33.814). A standard 2-liter soda bottle holds just under 68 fluid ounces.
How many ounces in 1.5 liters?
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1.5 liters equals approximately 50.721 fl oz. The 1.5 L bottle is a common size for still water sold in European markets and widely available in the US.
Is 1 liter the same as 32 oz?
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No. 1 liter equals 33.814 fl oz — about 1.8 oz more than 32. A 32 oz container holds approximately 0.946 liters. Use our oz to liter converter to go the other direction.
How many liters is 64 oz?
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64 fl oz equals approximately 1.893 liters. This is just under a 2-liter bottle and a common daily hydration benchmark. See our daily water intake guide for more.
Does the UK fluid ounce differ from the US fl oz?
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Yes. A UK imperial fluid ounce equals 28.4131 ml versus 29.5735 ml for the US fl oz, so 1 liter equals 35.195 UK fl oz but only 33.814 US fl oz. This calculator uses the US definition throughout.
How many oz in 3 liters?
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3 liters equals 101.442 fl oz (3 × 33.814). This exceeds a standard gallon (128 fl oz) by a significant amount — see our oz to gallon calculator if you need to work in gallons.

Conversion factor sourced from the NIST Weights & Measures FAQ — the official US measurement authority.

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